Since the big triangle is an isosceles one, we conclude that the angles of the left triangle are: 32, 90 and 3x-10. Sinche the sum of this angles have to be 180° we have:
Solving for x, we have:
Therefore, x=22.67 and the answer is A.
2. A car slows down from 50.0 m/s to 20.0 m/s in 6.0 s. What is the acceleration?
1 answer:
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